Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

IR Absorption Frequency: Delocalization01:04

IR Absorption Frequency: Delocalization

1.6K
Electron delocalization refers to the distribution of electrons across multiple atoms within a molecule rather than being confined to a single atom or bond. This phenomenon is common in systems with conjugated bonds—structures where alternating single and double bonds allow π-electrons to move freely across the network. The movement of electrons stabilizes the molecule and can affect various chemical properties, including vibrational frequencies observed in IR spectroscopy.
In IR...
1.6K
Additional Subnuclear Structures02:10

Additional Subnuclear Structures

5.5K
The eukaryotic nucleus is a double membrane-bound organelle that contains nearly all of the cell’s genetic material in the form of chromosomes. It is rightly called the “brain” of the cell as it shoulders the responsibility of responding to various physiological processes, stress, altered metabolic conditions, and other cellular signals. 
The nucleus contains many membrane-less subnuclear organelles or nuclear bodies, such as nucleoli, Cajal bodies, speckles,...
5.5K
Additional Subnuclear Structures02:10

Additional Subnuclear Structures

2.7K
2.7K
Fermi Level Dynamics01:12

Fermi Level Dynamics

906
The vacuum level denotes the energy threshold required for an electron to escape from a material surface. It is usually positioned above the conduction band of a semiconductor and acts as a benchmark for comparing electron energies within various materials.
Electron affinity in semiconductors refers to the energy gap between the minimum of its conduction band and the vacuum level and it is a critical parameter in determining how easily a semiconductor can accept additional electrons.
The work...
906
¹³C NMR: ¹H–¹³C Decoupling01:04

¹³C NMR: ¹H–¹³C Decoupling

2.0K
The probability of having two carbon-13 atoms next to each other is negligible because of the low natural abundance of carbon-13. Consequently, peak splitting due to carbon-carbon spin-spin coupling is not observed in spectra. However, protons up to three sigma bonds away split the carbon signal according to the n+1 rule, resulting in complicated spectra.
A broadband decoupling technique is used to simplify these complex, sometimes overlapping, signals. Broadband decoupling relies on a...
2.0K
IR Spectrum Peak Broadening: Hydrogen Bonding01:23

IR Spectrum Peak Broadening: Hydrogen Bonding

2.0K
The vibrational frequency of a bond is directly proportional to its bond strength. As a result, stronger bonds vibrate at higher frequencies, while weaker bonds vibrate at lower frequencies. The stretching vibration of the strong O–H bond in alcohols and phenols (very dilute solution or gas phase) appears as a sharp peak at 3600–3650 cm−1.
However, the extent of hydrogen bonding influences the observed stretching frequency and band broadening. Intermolecular or intramolecular...
2.0K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Fully Differential Higgs Boson Production to Third Order in QCD.

Physical review letters·2021
Same author

Full Angle Dependence of the Four-Loop Cusp Anomalous Dimension in QED.

Physical review letters·2021
Same author

Analytic Form of the Full Two-Loop Five-Gluon All-Plus Helicity Amplitude.

Physical review letters·2019
Same author

All Master Integrals for Three-Jet Production at Next-to-Next-to-Leading Order.

Physical review letters·2019
Same author

Matter Dependence of the Four-Loop Cusp Anomalous Dimension.

Physical review letters·2019
Same author

Analytic Result for a Two-Loop Five-Particle Amplitude.

Physical review letters·2019

Related Experiment Video

Updated: Mar 12, 2026

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

9.0K

Four-Gluon Scattering at Three Loops, Infrared Structure, and the Regge Limit.

J M Henn1, B Mistlberger2

  • 1PRISMA Cluster of Excellence, Johannes Gutenberg University, 55099 Mainz, Germany.

Physical Review Letters
|November 9, 2016
PubMed
Summary

Researchers computed the three-loop four-gluon scattering amplitude in supersymmetric Yang-Mills theory. This provides crucial data for understanding nonplanar scattering amplitudes and the gluon Regge trajectory.

More Related Videos

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.7K
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
08:53

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

18.3K

Related Experiment Videos

Last Updated: Mar 12, 2026

Setting Limits on Supersymmetry Using Simplified Models
07:46

Setting Limits on Supersymmetry Using Simplified Models

Published on: November 15, 2013

9.0K
Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing
10:42

Infrared Degenerate Four-wave Mixing with Upconversion Detection for Quantitative Gas Sensing

Published on: March 22, 2019

6.7K
Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures
08:53

Angle-resolved Photoemission Spectroscopy At Ultra-low Temperatures

Published on: October 9, 2012

18.3K

Area of Science:

  • High Energy Physics
  • Quantum Field Theory
  • Supersymmetric Gauge Theories

Background:

  • Scattering amplitudes are fundamental to understanding particle interactions.
  • Nonplanar contributions are crucial for a complete picture of quantum field theories.
  • Supersymmetric Yang-Mills theory provides a tractable framework for studying complex quantum phenomena.

Purpose of the Study:

  • To compute the three-loop four-gluon scattering amplitude in maximally supersymmetric Yang-Mills theory.
  • To include the full color dependence of the scattering amplitude.
  • To provide data for the study of nonplanar scattering amplitudes and test theoretical predictions.

Main Methods:

  • Calculation of the three-loop four-gluon scattering amplitude.
  • Analysis of the amplitude as a Laurent expansion in the dimensional regulator.
  • Determination of coefficients using harmonic polylogarithms.
  • Taking the Regge limit to find the gluon Regge trajectory.

Main Results:

  • The first complete computation of a nonplanar four-particle scattering amplitude to three loops in four-dimensional gauge theory.
  • The amplitude is presented with coefficients of harmonic polylogarithms and rational prefactors.
  • Independent check of soft anomalous dimension matrix predictions for infrared singularity structure.
  • Determination of the three-loop gluon Regge trajectory.

Conclusions:

  • The computation offers significant data for nonplanar scattering amplitude research.
  • Results validate predictions for infrared singularity structures and subleading logarithms.
  • This work advances the understanding of quantum chromodynamics and related theories.